CVE-2025-1439
WordPress vulnerability analysis and mitigation

Overview

The Advanced iFrame plugin for WordPress contains a Stored Cross-Site Scripting (XSS) vulnerability (CVE-2025-1439) in all versions up to and including 2024.5. The vulnerability exists in the plugin's 'advanced_iframe' shortcode due to insufficient input sanitization and output escaping on user-supplied attributes through the 'src' attribute when the src supplied returns a header with an injected value (NVD).

Technical details

The vulnerability is classified as a CWE-79 (Improper Neutralization of Input During Web Page Generation) issue. It has been assigned a CVSS v3.1 Base Score of 6.4 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N (NVD).

Impact

When exploited, this vulnerability allows authenticated attackers with contributor-level access and above to inject arbitrary web scripts in pages. These malicious scripts will execute whenever a user accesses an injected page (NVD).

Exploitability

The vulnerability requires an authenticated user with at least contributor-level privileges to exploit. The attack complexity is considered low, requiring no special access conditions beyond the authentication requirement (NVD).

Mitigation and workarounds

Users are advised to update to version 2025.0 or later of the Advanced iFrame plugin, which contains the fix for this vulnerability (Patchstack).

Additional resources


SourceThis report was generated using AI

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